The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The flow chart shows the

process

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of

cement

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production

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and how

cement

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is used for making concrete

production

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.

Overall

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, we can see that the

process

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consists of a large number of steps, which can divided into two main points, namely

cement

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production

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and concrete

production

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. The

process

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starts when mixing the limestone and the clay and ends with a concrete

mixer

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. To start with, limestone and clay are combined in the crusher to make a powder. Once the powder is already made, it moves into the

mixer

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and rotates in the rotating heater at a high temperature.

Then

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, the grinder which is located under the rotating heater will filter the powder until it becomes

cement

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. After that,

cement

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will be packed into the bags. On the other side, the concrete-making

process

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starts with mixing

cement

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, water, sand, and gravel with percentages of 15%, 10%, 25%, and 50% respectively. The concrete

mixer

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will stir automatically by its body and wait until the concrete

mixer

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is stopped.